# SleepGPS Client vs GPS51

The clearest difference is rating: GPS51 at 3.7 against SleepGPS Client's 3.0. GPS51 also leads on review sentiment (54% vs 20%) and update cadence (every 4 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GPS51 holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 20% of SleepGPS Client's written reviews are positive against 54% of GPS51's.

SleepGPS Client ships an update every 2 months, GPS51 every 4 days. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SleepGPS Client | GPS51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/sleepgps-client/id1220962724/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/gps51/id1503310033/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 20.0% of reviews | **54.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 151 MB | 121 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eddison Gonzalez](https://appshunter.io/developer/1220962723) | [深圳安诺盛科技有限公司](https://appshunter.io/developer/1078143908) |

## What reviewers say

### SleepGPS Client

[App page](https://appshunter.io/ios/app/sleepgps-client/id1220962724)

Monitor vehicles and assets in real-time, receiving instant alerts for geofencing, speeding, and theft. Track fuel consumption, generate detailed reports on driving history, and manage points of interest.

**Highlights:** Real-time tracking (direction, speed, fuel), Instant event notifications (geofencing, speeding), Driving history and detailed reports, Fuel level and consumption monitoring, Geofencing with custom alerts, Points of Interest (POI) markers

**Features:** macOS Compatibility

**In-app purchases:** none


### GPS51

[App page](https://appshunter.io/ios/app/gps51/id1503310033)

Monitor and manage the location, historical routes, and alerts for various trackers and IoT devices. View real-time fuel consumption, video feeds, and two-way audio. Supports multiple tracker protocols and IoT devices.

**Highlights:** Real-time location tracking, Historical route playback, Alerts and geofencing, Fuel consumption monitoring, Video and audio streaming, Support for various tracker protocols

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SleepGPS Client free?

SleepGPS Client is free to download, with no in-app purchases.

### Is GPS51 free?

GPS51 is free to download, with no in-app purchases.

### Which has better reviews, SleepGPS Client or GPS51?

GPS51 is rated higher. SleepGPS Client averages 3.0 out of 5 from 4 ratings, while GPS51 averages 3.7 from 3 ratings.

### Do SleepGPS Client or GPS51 have ads?

Neither SleepGPS Client nor GPS51 shows ads.

### Which is updated more often, SleepGPS Client or GPS51?

SleepGPS Client ships an update every 2 months, and GPS51 every 4 days. Most recently, SleepGPS Client was updated on October 3, 2026 and GPS51 on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*